James Brolin and Dianne Wiest (Life in Pieces (2015)); entertainment reporter Kevin Frazier (Entertainment Tonight (1981)).

Kunal Nayyar (The Big Bang Theory (2007)); lifestyle expert Chi-Lan Lieu unveils the hottest must-haves for fall.

Actress/author Lea Michele (Scream Queens (2015) and (book "You First: Journal Your Way to Your Best Life")). Also: Leona Lewis performs.

Pauley Perrette and Sean Murray (NCIS (2003)); entertainment reporter Debbie Matenopoulos (Omg! Insider (2004)); Steve Moses, winner of Big Brother (2000). Also: chef Danny Boome serves up game-day dishes.

Marg Helgenberger on the series finale of CSI: Crime Scene Investigation (2000); entertainment reporter Debbie Matenopoulos (Omg! Insider (2004)).

Guest co-hostess Reba McEntire; Chris O'Donnell (NCIS: Los Angeles (2009)); radio personality Shelley Wade.

Guest co-hostess Alyssa Milano; Code Black (2015) cast members Marcia Gay Harden, Luis Guzmán, Raza Jaffrey and Bonnie Somerville; entertainment reporter Kevin Frazier (Entertainment Tonight (1981)).

Shemar Moore (Criminal Minds (2005)); radio personality Jennifer Hutt.

Carol Burnett; comedian GloZell Green; chef Richard Blais serves up game-day dishes.

Patricia Arquette (CSI: Cyber (2015)).

John Stamos (Grandfathered (2015)); correspondent Jaymes Vaughan ("Ok TV" (2013)).

Ellen Page (Freeheld (2015)); entertainment reporter Louis Aguirre (Omg! Insider (2004)).

Nina Dobrev (The Vampire Diaries (2009)); YouTube personality Tyler Oakley. Also: lifestyle expert Chi-Lan Lieu unveils five products to take your look from day to night.

Tom Selleck (Blue Bloods (2010)); entertainment reporter Jessica Radloff. Also: chef Duff Goldman serves up game-day dishes.

Tim Daly (Madam Secretary (2014)). Also: Sharon Osbourne's birthday.

Author Shay Mitchell (Pretty Little Liars (2010) and (book "Bliss")); Lindsay Miller (Popsugar Now (2014)); Rachel Bloom (Crazy Ex-Girlfriend (2015)).

Kathy Bates (American Horror Story (2011)); entertainment reporter Nischelle Turner (Entertainment Tonight (1981)).

Kirsten Dunst (Fargo (2014)); radio personality Yesi Ortiz; entertainment reporter Nischelle Turner (Entertainment Tonight (1981)).

Jeff Daniels and screenwriter Aaron Sorkin (Steve Jobs (2015)); entertainment reporter Keltie Knight (Omg! Insider (2004)). Also: restaurateur Craig Susser and chef Kursten Kizer make game-day dishes.

Colin Hanks (Life in Pieces (2015)); radio personality Ellen K; singer-songwriter Linda Perry discusses her new children's album and performs.

Michael Weatherly (NCIS (2003)) and Eric Christian Olsen (NCIS: Los Angeles (2009)); radio personality Big Boy.

Gabrielle Union (Being Mary Jane (2013)); entertainment reporter Michael Yo (Omg! Insider (2004)).

Jack Black (Goosebumps (2015)).

Meghan Trainor; Piers Morgan. Also: chef David Guas prepares Asian grilled tri-tip tacos and fish kabobs.

Danielle Panabaker (The Flash (2014)); lifestyle expert Chi-Lan Lieu unveils five products to makeover a look in minutes.

Elyes Gabel, Robert Patrick, Ari Stidham and Eddie Kaye Thomas (Scorpion (2014)); entertainment reporter Jaymes Vaughan (Ok! TV (2013)).

Author Dick Van Dyke (book, "Keep Moving"); Nancy O'Dell (Entertainment Tonight (1981)). Also: singer/songwriter Elle King performs and is interviewed.

Kate Bosworth (The Art of More (2015)); radio personality Ellen K; Sheryl Underwood's birthday celebration; R&B singer Cheryl Lynn performs.

Dr. Phil McGraw (Dr. Phil (2002)). Also: chef John Seymour makes buffalo chicken burgers with blue cheese.

A Halloween celebration features the hosts transforming into iconic musicians. Joey Fatone is a guest co-host.

Melissa Benoist , Calista Flockhart and Mehcad Brooks (Supergirl (2015)); singer/songwriter Jason Derulo performs.

In the studio is LL Cool J and radio personality Jenny Hutt.

Maura Tierney; Kevin Frazier. Also: Lifestyle expert Chi-Lan Lieu unveils "Shop Daytime Deals" for Thanksgiving entertaining.

Antonio Banderas; pageant coach and attorney Bill Alverson.

Ian Somerhalder; designer Laurie Feltheimer. Also Chef Enzo Febbraro makes spaghetti carbonara frittata.

Daniel Radcliffe; Alanis Morissette

Diane Keaton; Entertainment Reporter Jaymes Vaughan.

Tracee Ellis Ross; Entertainment Reporter Kevin Frazier. Also: Seal performs.

Actor Sam Clafin; Nancy O'Dell. Also Chef Susan Feniger makes rib eye stuffed with garlic, and serrano chiles topped with chimichurri avacado goat cheese dip.

Olivia Wilde; Jake Lacy.

Guest co-hostess Poppy Montgomery; Ellen K. Also: Rachael Ray prepares Thanksgiving Day dishes.

Maura Tierney (The Affair (2014)); entertainment reporter Louis Aguirre (Omg! Insider (2004)); chef Lidia Bastianich prepares roast chicken with orange and rosemary.

Krysten Ritter (Jessica Jones (2015)); chef Curtis Stone prepares a Thanksgiving Day feast.

Jenna Dewan Tatum (SuperGirl); Bryshere "Yazz" Gray (Empire)

Mindy Kaling

Morris Chestnut; Entertainment editor Lindsay Miller.

Dolly Parton; Entertainment reporter Debbie Matenopoulos; ChefJason Santos makes apple-brined pork chops with Brussels sprouts skewers.

Toni Collette; Lifestyle expert Chi-Lan Lieu unveils holiday gifts for neighbors and friends.

In NYC! Wayne Brady; Hollywood blogger Perez Hilton. Also: Julie Chen presents her annual "Top Chen List" of holiday gift items.

Actor Jake McDorman (Limitless); Radio personality Elvis Duran; Trisha Yearwood serves up a festive holiday dinner party meal and dessert.

"Downton Abbey" cast members Hugh Bonneville, Michelle Dockery and Elizabeth McGovern; Radio personality Robin Quivers.

Jeffrey Dean Morgan; Radio personality Jenny Hutt. Also: Patty Smyth performs; Aisha Tyler and Sheryl Underwood take a football challenge from Phil Simms.

Josh Groban; Columnist Michael Starr. Also: Holiday gifts for kids.

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Malin Akerman of Billions and Kevin Frazier of Entertainment Tonight.

Queen Latifah and Paula Patton (The Perfect Match (2016)); news anchor A.J. Gibson

Connie Britton and entertainment reporter Debbie Matenopoulos

Guest co-hostess Leeza Gibbons, Clark Gregg of Marvel's Agents of S.H.I.E.L.D., Entertainment Reporter Debbie Matenopoulos